#include #include #include #include "spdlog/spdlog.h" #include using namespace std; int main(int argc, char* argv[]) { int thread_count = 10; if(argc > 1) thread_count = atoi(argv[1]); int howmany = 1048576; namespace spd = spdlog; spd::set_async_mode(howmany); ///Create a file rotating logger with 5mb size max and 3 rotated files auto logger = spd::rotating_logger_mt("file_logger", "logs/spd-sample", 10 *1024 * 1024 , 5); logger->set_pattern("[%Y-%b-%d %T.%e]: %v"); std::atomic msg_counter {0}; vector threads; for (int t = 0; t < thread_count; ++t) { threads.push_back(std::thread([&]() { while (true) { int counter = ++msg_counter; if (counter > howmany) break; logger->info() << "spdlog message #" << counter << ": This is some text for your pleasure"; } })); } for(auto &t:threads) { t.join(); }; //because spdlog async logger waits for the back thread logger to finish all messages upon destrcuting, //and we want to measure only the time it took to push those messages to the backthread.. abort(); }